Mechanical Seals Blog"We seek to serve as the voice of all mechanical seal manufacturers, representing our collective interest to organizations responsible for the development of standards and regulations governing the design, application, and operation of mechanical seals. We also seek to enhance performance of mechanical seals by providing educational programs demonstrating best practices to achieve optimal performance. We will use this blog area to provide awareness to all stakeholders in the mechanical seal industry as to our activities and areas of focus."
Overview of Multiple Lip Seals
Multiple lip seals are commonly used in centrifugal pumps and positive displacement pumps. There are many variations, but one version that has been particularly effective is a triple lip seal arrangement. The key feature is the third outboard lip seal element, which can be used for several functions.
Sealed media can be compartmentalized, providing the opportunity to apply any of the API piping plans based on the type of media being sealed. For instance, it can serve as an excluder or a secondary seal in a quench gland design for media that crystallizes or hardens with exposure to ambient temperature and pressure. Unlike a mechanical face seal, there are no rotating parts, and all internal components are not just replaceable, but replaceable on-site by in-house or field maintenance staff.
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